Base | Representation |
---|---|
bin | 110111111111111000… |
… | …1111101110100000011 |
3 | 102111101210202112201120 |
4 | 1233333301331310003 |
5 | 3432240340432230 |
6 | 131124454403323 |
7 | 11455020036213 |
oct | 1577761756403 |
9 | 374353675646 |
10 | 120255405315 |
11 | 4700004a9a1 |
12 | 1b381360543 |
13 | b4560a0186 |
14 | 5b6b22c243 |
15 | 31dc606310 |
hex | 1bffc7dd03 |
120255405315 has 32 divisors (see below), whose sum is σ = 198870045696. Its totient is φ = 62015301120.
The previous prime is 120255405301. The next prime is 120255405343. The reversal of 120255405315 is 513504552021.
It is not a de Polignac number, because 120255405315 - 27 = 120255405187 is a prime.
It is a super-2 number, since 2×1202554053152 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 969046 + ... + 1086075.
It is an arithmetic number, because the mean of its divisors is an integer number (6214688928).
Almost surely, 2120255405315 is an apocalyptic number.
120255405315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
120255405315 is a deficient number, since it is larger than the sum of its proper divisors (78614640381).
120255405315 is a wasteful number, since it uses less digits than its factorization.
120255405315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2055259.
The product of its (nonzero) digits is 30000, while the sum is 33.
Adding to 120255405315 its reverse (513504552021), we get a palindrome (633759957336).
The spelling of 120255405315 in words is "one hundred twenty billion, two hundred fifty-five million, four hundred five thousand, three hundred fifteen".
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